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Ditch Witch, a trade name of Charles Machine Works, is an American brand of underground utility construction equipment, principally trenchers, which has been in operation since 1949. It is the leading subsidiary of Charles Machine Works, headquartered in Perry, Oklahoma .
Cultivator No. 6 was the code name of a military trench-digging machine developed by the British Royal Navy at the beginning of World War II.The machine was originally known as White Rabbit Number Six; this code name was never officially recognised, but it was said to be derived from Churchill's metaphorical ability to pull ideas out of a hat.
Ditching [1] is a controlled emergency landing on the water surface in an aircraft not designed for the purpose, a very rare occurrence. [2] Controlled flight into the surface and uncontrolled flight ending in a body of water (including a runway excursion into water) are generally not considered water landings or ditching, but are considered ...
A micro trencher is a "small rockwheel" specially designed for work in urban areas. It is fitted with a cutting wheel that cuts a microtrench with smaller dimensions than can be achieved with conventional trench digging equipment. Microtrench widths range from about 30 to 130 mm (1.2 to 5.1 in) with a depth of 500 mm (20 in) or less.
The installation of the tiles or tile line can involve a trencher (Ditch Witch), a mole plough, a backhoe, or other heavy equipment. Soil type greatly affects the efficacy of tile systems, and dictates the extent to which the area must be tiled to ensure sufficient drainage.
Fresno Scraper (Patent Application). The front drawbar is pulled by two horses, and pulls the scraper proper behind it, while the operator walks behind controlling the depth of scrape with the handle Fresno scrapers in use building the Miocene Ditch near Nome, Alaska Fresno scraper
An anti-tank ditch has to be wide enough and deep enough to prevent a tank from crossing. Armies have been known to disguise anti-tank ditches [3] to enable the ditch to disable an enemy tank. Anti-tank trenches can be defeated by use of a fascine. Anti-tank ditches can also be crossed by use of bridges either laid by armoured vehicles or built ...
US Bayonet Model 1873 Trowel. In 1870, the U.S. Army introduced the trowel bayonet, intended for individual soldiers as both a weapon and an entrenching tool. [7] [8] [6] This was followed by the development of separate trowel and spade tools, small one-hand implements that could be carried as part of a soldier's individual equipment.